DE69729466D1 - MULTI-STAGE LINEAR PERFORMANCE AMPLIFIER WITH HIGH EFFICIENCY - Google Patents

MULTI-STAGE LINEAR PERFORMANCE AMPLIFIER WITH HIGH EFFICIENCY

Info

Publication number
DE69729466D1
DE69729466D1 DE69729466T DE69729466T DE69729466D1 DE 69729466 D1 DE69729466 D1 DE 69729466D1 DE 69729466 T DE69729466 T DE 69729466T DE 69729466 T DE69729466 T DE 69729466T DE 69729466 D1 DE69729466 D1 DE 69729466D1
Authority
DE
Germany
Prior art keywords
high efficiency
stage linear
linear performance
performance amplifier
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69729466T
Other languages
German (de)
Other versions
DE69729466T2 (en
Inventor
Eugene Sigmon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Mobility LLC
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69729466D1 publication Critical patent/DE69729466D1/en
Publication of DE69729466T2 publication Critical patent/DE69729466T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
DE69729466T 1996-10-15 1997-08-13 MULTI-STAGE LINEAR PERFORMANCE AMPLIFIER WITH HIGH EFFICIENCY Expired - Lifetime DE69729466T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US730045 1996-10-15
US08/730,045 US5786727A (en) 1996-10-15 1996-10-15 Multi-stage high efficiency linear power amplifier and method therefor
PCT/US1997/014392 WO1998016997A1 (en) 1996-10-15 1997-08-13 Multi-stage high efficiency linear power amplifier

Publications (2)

Publication Number Publication Date
DE69729466D1 true DE69729466D1 (en) 2004-07-15
DE69729466T2 DE69729466T2 (en) 2004-11-11

Family

ID=24933681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729466T Expired - Lifetime DE69729466T2 (en) 1996-10-15 1997-08-13 MULTI-STAGE LINEAR PERFORMANCE AMPLIFIER WITH HIGH EFFICIENCY

Country Status (7)

Country Link
US (1) US5786727A (en)
EP (1) EP0932933B1 (en)
JP (1) JP4027988B2 (en)
KR (1) KR100306722B1 (en)
DE (1) DE69729466T2 (en)
TW (1) TW399362B (en)
WO (1) WO1998016997A1 (en)

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US7362170B2 (en) * 2005-12-01 2008-04-22 Andrew Corporation High gain, high efficiency power amplifier
US7831221B2 (en) * 2005-12-13 2010-11-09 Andrew Llc Predistortion system and amplifier for addressing group delay modulation
US8125399B2 (en) * 2006-01-14 2012-02-28 Paratek Microwave, Inc. Adaptively tunable antennas incorporating an external probe to monitor radiated power
US8325097B2 (en) 2006-01-14 2012-12-04 Research In Motion Rf, Inc. Adaptively tunable antennas and method of operation therefore
US7711337B2 (en) 2006-01-14 2010-05-04 Paratek Microwave, Inc. Adaptive impedance matching module (AIMM) control architectures
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
KR101083920B1 (en) * 2006-08-11 2011-11-15 엘지에릭슨 주식회사 Multi-path doherty amplifier and control method thereof
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CN101534093B (en) * 2009-04-14 2011-08-10 武汉正维电子技术有限公司 Final three-route power synthesizing amplifying circuit applied to power amplifier of mobile communication base station system
KR101094050B1 (en) 2009-07-23 2011-12-19 성균관대학교산학협력단 Dynamic bias supply device having multiple switches
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EP2339746B1 (en) * 2009-12-15 2013-02-20 Nxp B.V. Doherty amplifier with composed transfer characteristic having multiple peak amplifiers
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US9853363B2 (en) 2012-07-06 2017-12-26 Blackberry Limited Methods and apparatus to control mutual coupling between antennas
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CN103580623A (en) * 2012-08-10 2014-02-12 中兴通讯股份有限公司 Radiofrequency power amplifier device and radiofrequency power amplifying method
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Also Published As

Publication number Publication date
US5786727A (en) 1998-07-28
EP0932933A4 (en) 2002-10-16
JP2001502493A (en) 2001-02-20
EP0932933A1 (en) 1999-08-04
KR100306722B1 (en) 2001-09-29
TW399362B (en) 2000-07-21
EP0932933B1 (en) 2004-06-09
DE69729466T2 (en) 2004-11-11
WO1998016997A1 (en) 1998-04-23
JP4027988B2 (en) 2007-12-26
KR20000049254A (en) 2000-07-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US